Copying HMI projects integrated in SIMATIC STEP 7 at file level

ANSWER: Copying of HMI projects integrated in STEP 7 at file level (e.g. with Windows Explorer via Copy/Cut and Paste) is not possible in combination with WinCC flexible.

By copying of HMI projects integrated in STEP 7 (*.hmi) at file level you lose internal references from the WinCC flexible project to the the associated STEP 7 project. Then synchronization between the WinCC flexible project and the STEP 7 project is no longer possible.

When you attempt to open an HMI station copied at file level from the SIMATIC Manager, you get a message regarding access to STEP 7 information after opening the HMI station in WinCC flexible ES.

Proceed as follows if you want to copy a SIMATIC HMI station from a STEP 7 project:

In WinCC flexible you select the menu “Project > Copy from STEP 7” to create a non-integrated HMI project from the SIMATIC HMI station.

Note: The original SIMATIC HMI station or the HMI project is retained in the STEP 7 project.

Fig. 1: Creating a non-integrated HMI project

You can then handle the HMI project created just like a normal HMI project.

Proceed as follows if you want to integrate back into STEP 7 a SIMATIC HMI station copied from a STEP 7 project:

Open the HMI project concerned with WinCC flexible.

In the menu “Project > Integrate in STEP 7” select the relevant STEP 7 project with a double-click.

Fig. 2: Integrating an HMI project

Fig. 3: Selecting the relevant STEP 7 project

Now the HMI project not integrated in STEP 7 is integrated into the STEP 7 project selected.

Note: This function only inserts the operator panel located in an HMI project into a STEP 7 project. If you want to replace an existing HMI station, then the HMI station to be replaced has to be deleted in the SIMATIC Manager.

After integrating the HMI station you have to check and possible modify the hardware configuration of the HMI station in the STEP 7 “HW Config” as well as the connection parameters in SIMATIC WinCC flexible via “Communication > Connections“.

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